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git-commit:tldr:a5c1b
The command "git commit --amend" is used to modify the most recent commit in Git.
When you make a commit, Git creates a new snapshot of your project's current state and adds it to the commit history. However, sometimes you may realize that you forgot to include a file, made a typo in the commit message, or want to make some other changes to the commit. In such cases, you can use the "git commit --amend" command.
Here's what the command does:
- It opens your default text editor, displaying the last commit message. You can modify the commit message if desired.
- It allows you to make changes to the staging area (index) using "git add" or "git rm" commands. This means you can also add/remove files to/from the last commit.
- It creates a new commit with the modified changes, replacing the previous commit in the commit history. The new commit will have the same parent(s) as the previous commit.
Note that amending a commit modifies the commit history, so you should avoid amending commits that have already been pushed to a shared repository. If others have already based their work on your previous commit, it may cause synchronization issues and conflicts.
It's important to use the "git commit --amend" command with caution, especially if you have already pushed the previous commit to a remote repository.